A motorcycle stunt driver zooms off the end of a cliff at a speed of 30 m/s. If he lands after 0.95 s, what is the height of the cliff?

2kg of refrigerant 134a undergoes a polytropic process in a piston-cylinder assembly from an initial state of saturated vapor at 2 bar to a final state of 12 bar, 80 degree c. a)determine the work for the process in kj. b)sketch the process on a p-v diagram.

Examples of states of consciousness include a. daydreaming b. dreaming during sleep c. hypnosis d. all of the above

Which of the following is not a means to accelerating? question 4 options: a)increase speed b)remain still c)decrease speed d)change direction